Raoul Ngayam Happy
Raoul Ngayam Happy
Data Lead, Pivot & Co
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Formation and evolution of MnNi clusters in neutron irradiated dilute Fe alloys modelled by a first principle-based AKMC method
R Ngayam-Happy, CS Becquart, C Domain, L Malerba
Journal of Nuclear Materials 426 (1), 198-207, 2012
First principle-based AKMC modelling of the formation and medium-term evolution of point defect and solute-rich clusters in a neutron irradiated complex Fe–CuMnNiSiP alloy …
R Ngayam-Happy, CS Becquart, C Domain
Journal of Nuclear Materials 440 (1), 143-152, 2013
Linking atomic and mesoscopic scales for the modelling of the transport properties of uranium dioxide under irradiation
M Bertolus, M Freyss, B Dorado, G Martin, K Hoang, S Maillard, R Skorek, ...
Journal of Nuclear Materials 462, 475-495, 2015
A DFT study of the stability of SIAs and small SIA clusters in the vicinity of solute atoms in Fe
CS Becquart, R Ngayam Happy, P Olsson, C Domain
Journal of Nuclear Materials 500, 92-109, 2018
Isochronal annealing of electron-irradiated dilute Fe alloys modelled by an ab initio based AKMC method: Influence of solute–interstitial cluster properties
R Ngayam-Happy, P Olsson, CS Becquart, C Domain
Journal of Nuclear Materials 407 (1), 16-28, 2010
Effects of stoichiometry on the defect clustering in uranium dioxide
R Ngayam-Happy, M Krack, A Pautz
Journal of Physics: Condensed Matter 27 (45), 455401, 2015
Atomic-scale effects of chromium-doping on defect behaviour in uranium dioxide fuel
Z Guo, R Ngayam-Happy, M Krack, A Pautz
Journal of Nuclear Materials, 2017
Investigation of the influence of off-stoichiometry on the radiation damage evolution in uranium dioxide
R Ngayam-Happy, M Krack
Progress in Nuclear Energy 72, 38-43, 2014
Modeling of the U3Si2/SiC fuel system behavior for a RIA scenario
G Cozzo, C., Ngayam-Happy, R., Chen, J.-C., Pecchia, M., Girardin
International Nuclear Fuel Cycle Conference and TOP FUEL 2019 - Light Water …, 2020
Fuel thermo-mechanical simulations with uncertainty quantification and sensitivity analysis of the OECD/NEA RIA code benchmark using FALCON and URANIE
R Ngayam-Happy, C Cozzo, G Khvostov, M Krack, H Ferroukhi
ANS Best estimate plus uncertainty International conference (BEPU 2018), 124, 2018
Radiation damage characterization in non-stoichiometric uranium dioxide by molecular dynamics simulations
RA Ngayam-Happy, M Krack
SNA+ MC 2013-Joint International Conference on Supercomputing in Nuclear …, 2014
Prévisions de l’évolution microstructurale sous irradiation d’alliages ferritiques par simulations numériques à l’échelle atomique
R Ngayam Happy
Lille 1, 2010
Previsions of the microstructural evolution of ferritic alloys under irradiation by numerical atomic scale simulations
R Ngayam Happy
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